Yes, Christmas is celebrated worldwide and is one of the most widely observed holidays in the world. It is celebrated by people of different religions and cultures, although it may be celebrated in different ways depending on the country or region. In many countries, Christmas is a time for families to gather and exchange gifts, attend church services, and share festive meals. Many people also decorate their homes and businesses with Christmas trees, lights, and other decorations. Some countries also have unique traditions such as parades, caroling, and Santa Claus visits.